package com.example.springbootexamples.service;

import com.example.springbootexamples.domain.T1;
import com.example.springbootexamples.domain.THelloWorld;

import java.util.List;

public interface HelloService {

    public THelloWorld selectById(Long id);

    public List<THelloWorld> selectList(THelloWorld tHelloWorld);

    public int insert(THelloWorld tHelloWorld);

    public int insertList(List<THelloWorld> list);

    public int update(THelloWorld tHelloWorld);

    public int deleteById(Long id);

    public int deleteByIds(String[] ids);

    String testTransacton();
}
